Earthquake with magnitude of ML 1.4 on date 04-11-2021 and time 12:35:08 (Italy) in region 2 km SE Capitignano (AQ)

A magnitude ML 1.4 earthquake occured in region: 2 km SE Capitignano (AQ), on

  • 04-11-2021 11:35:08 (UTC)
  • 04-11-2021 12:35:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5040, 13.3090 at 14 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Capitignano AQ 2 665 665
Montereale AQ 6 2581 3246
Barete AQ 6 737 3983
Pizzoli AQ 8 4326 8309
Campotosto AQ 8 542 8851
Cagnano Amiterno AQ 8 1369 10220
Amatrice RI 14 2657 12877
Borbona RI 15 617 13494
Crognaleto TE 15 1297 14791
Scoppito AQ 15 3727 18518
Posta RI 18 694 19212
Cittareale RI 18 482 19694
L'Aquila AQ 18 69753 89447
Fano Adriano TE 20 296 89743

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
73 Km W of Chieti (51815 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
74 Km W of Pescara (121014 inhabitants)
96 Km NE of Roma (2864731 inhabitants)
99 Km E of Viterbo (67173 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.4 2021-11-04
11:35:08
42.5037 13.3093 14 2022-03-30
13:04:29
Bollettino Sismico Italiano INGV 99706511
Reviewed
Rev100
ML 1.3 2021-11-04
11:35:09
42.5173 13.2807 12 2021-11-04
11:40:31
Sala Sismica INGV-Roma 97254081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-04 11:35:08 ± 0.14
Latitude 42.5037 ± 0.0063
Longitude 13.3093 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99706511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 583
Semi-minor axis of confidence ellipse (meter) 475
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 194
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.07015
Epicentral distance of station farthest from the epicenter (degree) 0.35973
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 99706511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-12 16:33:41

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 97254081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-04 11:40:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-11-04T11:35:22.00 0.6 undecidable manual S 337 39.9267 96 -0.08 47
IV.TERO.HNZ. 2021-11-04T11:35:18.65 0.6 undecidable manual S 61 27.4503 101 -0.14 47
IV.MTRA.HNZ. 2021-11-04T11:35:18.98 0.6 undecidable manual S 14 28.9488 100 -0.2 47
IV.LNSS.HHZ. 2021-11-04T11:35:17.85 0.6 undecidable manual S 297 24.5532 103 -0.19 47
IV.GIGS.HHZ. 2021-11-04T11:35:17.33 0.6 undecidable manual S 104 22.2555 105 -0.11 47
IV.NRCA.HHZ. 2021-11-04T11:35:16.38 0.1 undecidable manual P 337 39.9267 96 -0.14 93
IV.T1299.HNZ. 2021-11-04T11:35:15.46 0.6 undecidable manual S 351 14.6742 120 -0.1 49
IV.SMA1.EHZ. 2021-11-04T11:35:15.63 0.6 undecidable manual S 9 14.2746 121 0.17 48
IV.LNSS.HHZ. 2021-11-04T11:35:14.25 0.1 undecidable manual P 297 24.5532 103 0.06 96
IV.TERO.HNZ. 2021-11-04T11:35:14.84 0.3 undecidable manual P 61 27.4503 101 0.22 70
IV.MTRA.HNZ. 2021-11-04T11:35:14.75 0.3 undecidable manual P 14 28.9488 100 -0.1 71
IV.CAMP.HHZ. 2021-11-04T11:35:14.41 0.6 undecidable manual S 66 8.88 139 0.05 50
IV.GIGS.HHZ. 2021-11-04T11:35:13.63 0.3 undecidable manual P 104 22.2555 105 -0.21 70
IV.RM33.EHZ. 2021-11-04T11:35:13.82 0.6 undecidable manual S 274 7.7811 143 -0.36 46
IV.CAMP.HHZ. 2021-11-04T11:35:12.32 0.1 undecidable manual P 66 8.88 139 0.25 96
IV.RM33.EHZ. 2021-11-04T11:35:12.02 0.1 undecidable manual P 274 7.7811 143 0.06 100
IV.T1299.HNZ. 2021-11-04T11:35:12.89 0.1 undecidable manual P 351 14.6742 120 0.14 96
IV.SMA1.EHZ. 2021-11-04T11:35:12.95 0.1 positive manual P 9 14.2746 121 0.25 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.2 0.00016399999999999997 1.16 AML other m 2021-11-04T11:35:13.37
IV.RM33.EHE. ML:1.2 0.00016350000000000002 1.16 AML other m 2021-11-04T11:35:14.05
IV.SMA1.EHN. ML:1.7 0.000406 0.34 AML other m 2021-11-04T11:35:16.19
IV.SMA1.EHE. ML:1.6 0.000308 1.62 AML other m 2021-11-04T11:35:16.92
IV.NRCA.HHE. ML:1.5 0.00011695 0.68 AML other m 2021-11-04T11:35:22.16
IV.NRCA.HHN. ML:1.3 0.00007175 0.12 AML other m 2021-11-04T11:35:23.47
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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